package org.apache.pivot.wtk.content;

import org.apache.pivot.json.JSON;
import org.apache.pivot.serialization.SerializationException;
import org.apache.pivot.wtk.BoxPane;
import org.apache.pivot.wtk.TableView;
import org.apache.pivot.wtk.TableView.CellRenderer;
import org.apache.pivot.wtk.media.Image;

public class TableViewBoxPaneCellRenderer extends BoxPane implements
		CellRenderer {

	 public static int DEFAULT_HEIGHT = 42;

	    public TableViewBoxPaneCellRenderer() {
	        setPreferredHeight(DEFAULT_HEIGHT);
	    }

	    @Override
	    public void setSize(int width, int height) {
	        super.setSize(width, height);

	        // Since this component doesn't have a parent, it won't be validated
	        // via layout; ensure that it is valid here
	        validate();
	    }

	    @Override
	    public void setPreferredHeight(int preferredHeight) {
	        if (preferredHeight == -1) {
	            throw new IllegalArgumentException("Preferred height must be a fixed value.");
	        }

	        super.setPreferredHeight(preferredHeight);
	    }

	    @Override
	    public void setPreferredSize(int preferredWidth, int preferredHeight) {
	        if (preferredHeight == -1) {
	            throw new IllegalArgumentException("Preferred height must be a fixed value.");
	        }

	        super.setPreferredSize(preferredWidth, preferredHeight);
	    }

	    @Override
	    public void render(Object row, int rowIndex, int columnIndex,
	        TableView tableView, String columnName,
	        boolean selected, boolean highlighted, boolean disabled) {
	        if (row != null) {
	            BoxPane boxPane = null;

	            // Get the row and cell data
	            if (columnName != null) {
	                Object cellData = JSON.get(row, columnName);

	                if (cellData == null || cellData instanceof BoxPane) {
	                    boxPane = (BoxPane)cellData;
	                    removeAll();
	                    try{
	                    	setStyles("{fill: 'true', verticalAlignment: 'center', horizontalAlignment: 'center'}");
	                    } catch (SerializationException e) {}
	                    this.add(boxPane);
	                } else {
	                    System.err.println("Data for \"" + columnName + "\" is not an instance of "
	                        + Image.class.getName());
	                }
	            }
	        }
	    }

	    public String toString(Object row, String columnName) {
	        return null;
	    }

}
